19429900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 49434336

約数和(自身を除く): 30004436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 677, 700, 820, 1025, 1148, 1354, 1435, 2050, 2708, 2870, 3385, 4100, 4739, 5740, 6770, 7175, 9478, 13540, 14350, 16925, 18956, 23695, 27757, 28700, 33850, 47390, 55514, 67700, 94780, 111028, 118475, 138785, 194299, 236950, 277570, 388598, 473900, 555140, 693925, 777196, 971495, 1387850, 1942990, 2775700, 3885980, 4857475, 9714950, 19429900]

約数ペア:

[(1, 19429900), (2, 9714950), (4, 4857475), (5, 3885980), (7, 2775700), (10, 1942990), (14, 1387850), (20, 971495), (25, 777196), (28, 693925), (35, 555140), (41, 473900), (50, 388598), (70, 277570), (82, 236950), (100, 194299), (140, 138785), (164, 118475), (175, 111028), (205, 94780), (287, 67700), (350, 55514), (410, 47390), (574, 33850), (677, 28700), (700, 27757), (820, 23695), (1025, 18956), (1148, 16925), (1354, 14350), (1435, 13540), (2050, 9478), (2708, 7175), (2870, 6770), (3385, 5740), (4100, 4739)]